SPONGBERG, A. L. PCB contamination in surface sediments in the coastal waters of Costa Rica. Revista de Biología Tropical, [S. l.], v. 52, n. S2, p. 1–10, 2004. Disponível em: https://www.revistas.ucr.ac.cr/index.php/rbt/article/view/26571. Acesso em: 26 may. 2024.